... cured. 1.Moderate viscosity,easy to apply,high durometer,strong strength, primarily intended for the manufacturer of poly resin crafts ... expansion as well as high reproduction times, good tensile strength, tear strength and elongation. Property 1. Before cured RTV-1028 ... at room temperatureDurometer(Shore A) 29°±2Tensile strength kg/cm2 >40Elongation% >350Tear strength kg/cm >22Linear shrinkage % 0.35 ...